Off bfp progression

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I took these at the same time, the last one is from diluted pee with more than 60% water and these are my results. What’s happening? I keep retesting cause I’ve miscarried before and I saw i knew I would cause I would retest every 2 days. This however confuses me, the test line isn’t lighter but the control line is darker than before. Usually the test line is quite dark and the control line is very faint. Help? Should I be worried?

I’m 6w1d

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